Druckwächter für Brenngase (DGM)

DVGW tested to DIN EN1854 Gas pressure monitors are suitable for all gases in accordance with DVGW work sheet G260 and for air.

Datasheet
User Manual
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For overpressure monitoring of fuel gases.

 

Kind of pressure overpressure, relative
Pressure connection internal thread G1/4, external thread G1/2
Electrical connection Plug DIN EN 175301
Protection class IP54
Housing material rugged housing of seawater resistant aluminium die casting GD Al Si 12
Media temp. -25 … 60 oC
Media temp. limit temperatures up to 85 oC are allowable for short periods. Higher temperatures are possible, provided that the limit is safeguarded by suitable measures (e.g. water tube trap, see Accessories for Pressure Switches / Transmitters)
Ambient temperature -25 … 60 oC
Ambient temp. limit at temperatures below 0 oC, ensure that no water condensation can arise in the sensor and in the switching device
Switch function/capacity SPDT Microswitch 250 Vac; capacity 5 A inductive, 8 A resistive
Optional functions add the type numbers below to the listed type numbers for extra functionality as described

• -213: gold-plated contacts, switching capacity: max. 24 Vdc, 100 mA, min. 5 Vdc, 2 mA. And others not available with adjustable switching difference.
• -301: terminal connection housing, IP65
• -513: Gold-plated contacts, single-pole switch-over. Switching differential permanent. IP65. Switching capacity: max. 24 Vdc, 100 mA, min. 5 Vdc, 2 mA; suitable isolating switching amplifier necessary, degree of protection Ex-i
• -574: Normally closed contact with resistance combination for minimum pressure monitoring. Gold-plated contacts. Housing with surface protection (chemical version), IP65, degree of protection Ex-i
• -575: Normally closed contact with reclosing lock-out resistance combination for minimum pressure monitoring. Housing with surface protection (chemical version), IP65, degree of protection Ex-i
• -576: Normally closed contact with resistance combination for maximum pressure monitoring. Gold-plated contacts. Housing with surface protection (chemical version), IP65, degree of protection Ex-i
• -577: Normally closed contact with reclosing lock-out and resistance combination for maximum pressure monitoring. Housing with surface protection (chemical version), IP65, degree of protection Ex-i
Certificates
• CE-0085 AQ 1088 according EU/2016/426 A III B (09.03.2016) and DIN EN 1854 (01.10.2010)
• SIL2 according IEC 61508-2

 

Fixed pressure hysteresis
Pressure adjustment range Switching differential Max. pressure Sensing element material Type
bar mbar bar
0.015 … 0.06 6 0.8 Copper + Brass DGM306A
0.02 … 0.1 7 0.8 Copper + Brass DGM310A
0.04 … 0.25 10 0.8 Copper + Brass DGM325A
0.1 … 0.6 25 2 Copper + Brass DGM06A
0.2 … 1.6 40 3 Copper + Brass DGM1A
0.015 … 0.06 8 5 1.4104 + 1.4571 DGM506
0.04 … 0.16 12 5 1.4104 + 1.4571 DGM516
0.1 … 0.25 20 5 1.4104 + 1.4571 DGM525
Description Additional Product Type
Syphon for high temperature, steel, U-shape (for more accessories, see Accessories for Pressure Switches / Transmitters) U430B  
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